MissionPlanner.MainV2.WndProc C# (CSharp) Method

        protected override void WndProc(ref Message m)
        {
            switch (m.Msg)
            {
                case WM_CREATE:
                    try
                    {
                        DEV_BROADCAST_DEVICEINTERFACE devBroadcastDeviceInterface = new DEV_BROADCAST_DEVICEINTERFACE();
                        IntPtr devBroadcastDeviceInterfaceBuffer;
                        IntPtr deviceNotificationHandle = IntPtr.Zero;
                        Int32 size = 0;

                        // frmMy is the form that will receive device-change messages.


                        size = Marshal.SizeOf(devBroadcastDeviceInterface);
                        devBroadcastDeviceInterface.dbcc_size = size;
                        devBroadcastDeviceInterface.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
                        devBroadcastDeviceInterface.dbcc_reserved = 0;
                        devBroadcastDeviceInterface.dbcc_classguid = GUID_DEVINTERFACE_USB_DEVICE.ToByteArray();
                        devBroadcastDeviceInterfaceBuffer = Marshal.AllocHGlobal(size);
                        Marshal.StructureToPtr(devBroadcastDeviceInterface, devBroadcastDeviceInterfaceBuffer, true);


                        deviceNotificationHandle = NativeMethods.RegisterDeviceNotification(this.Handle,
                            devBroadcastDeviceInterfaceBuffer, DEVICE_NOTIFY_WINDOW_HANDLE);
                    }
                    catch
                    {
                    }

                    break;

                case WM_DEVICECHANGE:
                    // The WParam value identifies what is occurring.
                    WM_DEVICECHANGE_enum n = (WM_DEVICECHANGE_enum) m.WParam;
                    var l = m.LParam;
                    if (n == WM_DEVICECHANGE_enum.DBT_DEVICEREMOVEPENDING)
                    {
                        Console.WriteLine("DBT_DEVICEREMOVEPENDING");
                    }
                    if (n == WM_DEVICECHANGE_enum.DBT_DEVNODES_CHANGED)
                    {
                        Console.WriteLine("DBT_DEVNODES_CHANGED");
                    }
                    if (n == WM_DEVICECHANGE_enum.DBT_DEVICEARRIVAL ||
                        n == WM_DEVICECHANGE_enum.DBT_DEVICEREMOVECOMPLETE)
                    {
                        Console.WriteLine(((WM_DEVICECHANGE_enum) n).ToString());

                        DEV_BROADCAST_HDR hdr = new DEV_BROADCAST_HDR();
                        Marshal.PtrToStructure(m.LParam, hdr);

                        try
                        {
                            switch (hdr.dbch_devicetype)
                            {
                                case DBT_DEVTYP_DEVICEINTERFACE:
                                    DEV_BROADCAST_DEVICEINTERFACE inter = new DEV_BROADCAST_DEVICEINTERFACE();
                                    Marshal.PtrToStructure(m.LParam, inter);
                                    log.InfoFormat("Interface {0}",
                                        ASCIIEncoding.Unicode.GetString(inter.dbcc_name, 0, inter.dbcc_size - (4*3)));
                                    break;
                                case DBT_DEVTYP_PORT:
                                    DEV_BROADCAST_PORT prt = new DEV_BROADCAST_PORT();
                                    Marshal.PtrToStructure(m.LParam, prt);
                                    log.InfoFormat("port {0}",
                                        ASCIIEncoding.Unicode.GetString(prt.dbcp_name, 0, prt.dbcp_size - (4*3)));
                                    break;
                            }
                        }
                        catch
                        {
                        }

                        //string port = Marshal.PtrToStringAuto((IntPtr)((long)m.LParam + 12));
                        //Console.WriteLine("Added port {0}",port);
                    }
                    log.InfoFormat("Device Change {0} {1} {2}", m.Msg, (WM_DEVICECHANGE_enum) m.WParam, m.LParam);

                    if (DeviceChanged != null)
                    {
                        try
                        {
                            DeviceChanged((WM_DEVICECHANGE_enum) m.WParam);
                        }
                        catch
                        {
                        }
                    }

                    foreach (Plugin.Plugin item in MissionPlanner.Plugin.PluginLoader.Plugins)
                    {
                        item.Host.ProcessDeviceChanged((WM_DEVICECHANGE_enum) m.WParam);
                    }

                    break;
                case 0x86: // WM_NCACTIVATE
                    //var thing = Control.FromHandle(m.HWnd);

                    var child = Control.FromHandle(m.LParam);

                    if (child is Form)
                    {
                        log.Debug("ApplyThemeTo " + child.Name);
                        ThemeManager.ApplyThemeTo(child);
                    }
                    break;
                default:
                    //Console.WriteLine(m.ToString());
                    break;
            }
            base.WndProc(ref m);
        }